class Octopus {
  readonly name: string;
  readonly numberOfLegs: number = 8;
  constructor (theName: string) {
    this.name = theName;
  }
}
let dad = new Octopus("Man with the 8 strong legs");

interface Point {
  readonly x: number;
  readonly y: number;
}

let d:Point={x:1,y:1}

